:root{--bg:#f2f1e9;--surface:#fffef8;--ink:#152c2b;--muted:#626a61;--line:#d4d8cb;--green:#cce998;--red:#a62f28;--red-pale:#f9e1db;--blue:#23597e;--blue-pale:#deedf7;--shadow:0 4px 0 #152c2b12;font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.48}button,a,input,select,textarea{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #488346;outline-offset:4px}a{color:inherit}button{min-height:44px;border:0;background:none;color:inherit}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:6px;background:var(--surface);padding:13px 14px;min-height:48px;color:var(--ink)}label{display:block;font-size:14px;font-weight:600;margin:18px 0 8px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(28px,4vw,44px);line-height:1.3;letter-spacing:-.04em;margin-bottom:12px}h2{font-size:23px;line-height:1.4}h3{font-size:17px}p{line-height:1.7}small{font-size:12px}.topbar{height:92px;display:flex;align-items:center;justify-content:space-between;padding:0 5vw;border-bottom:1px solid var(--line);gap:16px}.brand{display:flex;align-items:center;gap:12px;font-weight:750;font-size:21px;text-decoration:none;white-space:nowrap}.brand small{display:block;font-size:10px;letter-spacing:4px;font-weight:500;margin-top:4px}.brand-symbol{display:grid;place-items:center;width:43px;height:43px;background:var(--ink);color:var(--green);border-radius:50%;font-size:32px;line-height:1}.header-tools{display:flex;gap:28px;align-items:center;font-size:14px}.connection{font-size:12px;color:var(--muted)}.connection.error{color:var(--red)}.text-button{text-decoration:underline;text-underline-offset:5px;padding:8px 0;font-size:14px}.text-button span{margin-left:10px}main{max-width:1440px;margin:auto;padding:40px 5vw 64px;min-height:calc(100svh - 160px)}footer{display:flex;justify-content:space-between;margin:0 5vw;padding:22px 0;border-top:1px solid var(--line);font-size:12px;color:var(--muted);gap:16px}.eyebrow{font:600 12px/1.4 ui-monospace,monospace;letter-spacing:2px;margin-bottom:20px;color:var(--muted)}.home{display:grid;grid-template-columns:minmax(300px,.85fr) minmax(0,1.4fr);gap:8%;align-items:center;padding-top:24px}.home-intro>p{color:var(--muted);margin-bottom:28px;max-width:360px}.tabs{display:flex;border-bottom:1px solid var(--line);gap:24px;margin:26px 0 24px}.tabs button{border-bottom:3px solid transparent;font-weight:600;padding:0 2px 12px}.tabs button.active{border-color:var(--ink)}.primary,.secondary,.danger{display:flex;align-items:center;justify-content:center;gap:12px;padding:13px 20px;border-radius:6px;font-weight:650;text-decoration:none;min-height:48px}.primary{background:var(--ink);color:var(--surface)}.primary:hover:not(:disabled){background:#294743}.secondary{border:1px solid var(--line);background:var(--surface)}.danger{color:var(--red);background:var(--red-pale)}.full{width:100%;margin-top:24px}.form-note{font-size:12px;color:var(--muted);margin:12px 0 0}.briefing{background:var(--ink);padding:32px;border-radius:12px;transform:rotate(1deg);color:var(--surface);box-shadow:10px 12px 0 #dce0d1}.briefing-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #45605b;padding-bottom:20px;margin-bottom:22px;font:12px ui-monospace,monospace;letter-spacing:2px}.briefing-head span:last-child{color:var(--green)}.demo-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.demo-card{background:#f3f0e4;color:var(--ink);min-height:65px;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:clamp(12px,1.4vw,18px);font-weight:700;border-bottom:4px solid #d6d3c8}.demo-card.r{background:#b43e32;color:white;border-color:#a64135}.demo-card.b{background:#77a9c9;border-color:#477997}.demo-card.x{background:#293d3c;color:#96aaa0;border-color:#0e2421}.demo-clue{display:flex;align-items:center;justify-content:space-between;margin-top:24px}.demo-clue div{display:flex;align-items:center;gap:14px}.demo-clue strong{font-size:23px}.demo-clue b{display:grid;place-items:center;background:var(--green);color:var(--ink);width:40px;height:40px;border-radius:50%;font-size:21px}.demo-clue>span{color:#becbc2;font-size:12px}.steps{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);margin-top:72px;padding-top:28px;gap:36px}.step{display:flex;gap:14px}.step>span{font:13px ui-monospace,monospace;color:var(--muted);padding-top:3px}.step h3{margin-bottom:6px}.step p{font-size:14px;color:var(--muted);margin:0}.room-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:26px}.room-heading h1{font-size:28px;letter-spacing:0;margin-bottom:8px}.room-subtitle{font-size:14px;color:var(--muted);margin:0}.room-code{font-family:ui-monospace,monospace;letter-spacing:3px}.actions{display:flex;gap:10px;flex-wrap:wrap}.room-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px}.table-area{min-width:0}.scoreboard{display:grid;grid-template-columns:1fr auto 1fr;gap:16px;align-items:center;margin-bottom:24px}.score{display:flex;gap:12px;align-items:center;padding:16px 20px;border-radius:8px;border:1px solid var(--line);background:var(--surface)}.score.red{color:var(--red);background:var(--red-pale);border-color:#e8b6ae}.score.blue{color:var(--blue);background:var(--blue-pale);border-color:#b5cfdf}.score b{font-size:32px;line-height:1}.score div{font-size:14px;font-weight:650}.score small{display:block;font-size:12px;margin-top:4px;font-weight:400}.versus{font:italic 14px Georgia,serif;color:var(--muted)}.board{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.word-card{min-height:92px;position:relative;border:1px solid #c6cabe;border-radius:7px;background:var(--surface);box-shadow:var(--shadow);padding:22px 3px 17px;font-size:clamp(14px,1.8vw,22px);font-weight:700;line-height:1.35;overflow-wrap:anywhere;transition:transform .15s,background .15s}.word-card .card-number{position:absolute;left:8px;top:6px;font:10px ui-monospace,monospace;color:#6b7368}.card-label{display:block;font-size:11px;font-weight:500;margin-top:6px}.word-card.red{background:var(--red-pale);color:var(--red);border-color:#d89086}.word-card.blue{background:var(--blue-pale);color:var(--blue);border-color:#8bb2cc}.word-card.neutral{background:#e8e4d6;color:#595843;border-color:#c4c1ac}.word-card.assassin{background:#263534;color:#fff;border-color:#263534}.word-card.revealed.red{background:#b43e32;color:white}.word-card.revealed.blue{background:#28648a;color:white}.word-card.revealed .card-number{color:inherit;opacity:.75}.word-card.revealed{box-shadow:none}.word-card.selectable:hover{transform:translateY(-3px);border-color:var(--ink)}.word-card.selected{outline:3px solid var(--ink);outline-offset:2px}.board-note{margin:16px 0;font-size:12px;color:var(--muted)}.panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:20px;margin-bottom:16px}.panel h2{font-size:16px;margin-bottom:16px}.team-title{display:flex;justify-content:space-between;align-items:center}.red-text{color:var(--red)}.blue-text{color:var(--blue)}.player{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:14px;margin:12px 0}.player-name{overflow-wrap:anywhere}.player small{color:var(--muted);white-space:nowrap}.avatar{display:inline-grid;place-items:center;border-radius:50%;width:27px;height:27px;background:#e9edde;margin-right:7px;font-size:12px}.role-actions{display:flex;gap:6px;margin-top:16px}.role-actions button{font-size:12px;border:1px solid var(--line);border-radius:4px;flex:1;padding:7px 2px}.role-actions .chosen{border-color:var(--ink);background:#e9edde}.empty-note{color:var(--muted);font-size:14px;margin:8px 0}.lobby-table{border:1px dashed #afb9a7;border-radius:10px;min-height:290px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:32px;background:#e9ecdf}.lobby-mark{font:44px Georgia,serif;letter-spacing:12px;margin-bottom:24px}.lobby-table h2{margin-bottom:12px}.lobby-table p{font-size:14px;color:var(--muted);max-width:450px;margin-bottom:0}.lobby-settings{display:flex;align-items:flex-end;gap:20px;margin:22px 0}.lobby-settings>div{flex:1}.lobby-settings label{margin-top:0}.turn-bar{border:1px solid var(--line);background:var(--surface);border-radius:8px;margin:24px 0 0;padding:20px;min-height:110px}.turn-label{font-size:12px;color:var(--muted);margin:0 0 8px}.turn-bar h2{margin:0;font-size:20px}.turn-bar p:last-child{margin:8px 0 0;font-size:14px}.clue-form{display:grid;grid-template-columns:1fr 88px auto;align-items:end;gap:12px}.clue-form label{margin-top:8px}.clue-display{display:flex;justify-content:space-between;align-items:center;gap:20px}.clue-word{display:flex;gap:14px;align-items:center;font-size:26px;font-weight:700}.clue-word b{font-size:24px;background:var(--green);border-radius:50%;width:40px;height:40px;display:grid;place-items:center}.guess-confirm{display:flex;gap:12px;justify-content:space-between;align-items:center;margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}.history{max-height:260px;overflow:auto;overscroll-behavior:contain;font-size:13px;line-height:1.65}.history p{padding:10px 0;border-top:1px solid var(--line);margin:0;overflow-wrap:anywhere}.history small{color:var(--muted)}.chat-form{display:flex;gap:6px;margin-top:12px}.chat-form input{min-width:0;padding:10px;font-size:14px}.chat-form button{flex-shrink:0;white-space:nowrap;min-width:52px;padding:10px;background:var(--ink);color:white;border-radius:4px;font-size:13px}.chat{max-height:170px;overflow:auto;font-size:13px}.chat p{overflow-wrap:anywhere;margin-bottom:10px}.chat strong{font-size:12px}.result-banner{padding:24px;background:var(--green);border-radius:8px;margin-bottom:22px}.result-banner h2{margin-bottom:8px}.result-banner p{margin:0;font-size:14px}.result-banner .primary{margin-top:18px}.badge{display:inline-block;background:var(--green);padding:4px 8px;border-radius:3px;font-size:12px;font-weight:600}.warning{color:var(--red);font-size:14px}.inline-error{color:var(--red);font-size:14px;margin-top:12px;line-height:1.5}.loading-state{display:grid;place-items:center;min-height:45svh;text-align:center}.loading-bar{width:180px;height:4px;background:var(--line);overflow:hidden}.loading-bar:after{content:"";display:block;width:60px;height:4px;background:var(--ink);animation:loading 1s infinite alternate}@keyframes loading{to{transform:translateX(120px)}}dialog{border:1px solid var(--line);border-radius:12px;color:var(--ink);background:var(--surface);max-width:600px;width:calc(100% - 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16px;background:#f7e6bf;color:#694910;border-radius:6px;font-size:14px;margin-bottom:16px}.connection-pill{font-size:12px;background:#e6ecdd;padding:6px 10px;border-radius:20px}.exit{color:var(--muted);font-size:12px}.spectators{font-size:12px;color:var(--muted);line-height:1.8}.rules-source{font-size:12px;color:var(--muted)}
@media(min-width:1600px){.word-card{min-height:110px}}@media(max-width:1050px){.home{gap:5%}.briefing{padding:22px}.demo-card{min-height:58px}.room-layout{grid-template-columns:minmax(0,1fr) 230px;gap:20px}.panel{padding:16px}.word-card{min-height:82px}.clue-form{grid-template-columns:1fr 74px}.clue-form .primary{grid-column:1/-1}.header-tools{gap:18px}}
@media(max-width:767px){.topbar{height:76px;padding:0 20px}.header-tools .connection{display:none}.brand{font-size:18px;gap:8px}.brand-symbol{width:36px;height:36px;font-size:28px}.brand small{font-size:9px;letter-spacing:3px}main{padding:28px 20px 40px}.home{display:flex;flex-direction:column;align-items:stretch;gap:40px;padding-top:4px}.home-intro>p{max-width:none;margin-bottom:20px}.home h1{font-size:32px}.tabs{margin-top:20px}.briefing{transform:none;box-shadow:5px 6px 0 #dce0d1;padding:20px}.demo-card{font-size:15px;min-height:54px}.steps{margin-top:40px;gap:22px;grid-template-columns:1fr}.step p{font-size:14px}.room-layout{display:flex;flex-direction:column;gap:24px}.side{display:grid;grid-template-columns:1fr 1fr;gap:12px}.side .panel{margin-bottom:0}.side .wide{grid-column:1/-1}.room-heading{margin-bottom:20px}.room-heading h1{font-size:22px}.room-heading .actions{gap:4px}.room-heading .actions .secondary{padding:8px 12px;min-height:44px;font-size:12px}.board{gap:7px}.word-card{min-height:80px;font-size:16px;border-radius:5px;padding:22px 2px 10px}.card-label{font-size:10px}.word-card .card-number{font-size:9px;left:5px;top:5px}.scoreboard{gap:10px;margin-bottom:18px}.score{padding:12px;gap:10px}.score b{font-size:28px}.score div{font-size:13px}.score small{font-size:11px}.turn-bar{margin-top:18px;padding:16px}.clue-form{grid-template-columns:1fr 78px auto;gap:8px}.clue-form .primary{grid-column:auto;padding:12px}.clue-display{gap:8px}.clue-word{font-size:23px;gap:8px}.clue-display>.secondary{font-size:12px;padding:10px}.lobby-settings{flex-direction:column;align-items:stretch;gap:12px}.lobby-table{min-height:240px;padding:20px}.lobby-table h2{font-size:20px}.room-subtitle{font-size:12px}.guess-confirm{flex-wrap:wrap;gap:12px}.guess-confirm .actions{width:100%}.guess-confirm .primary{flex:1}footer{margin:0 20px;font-size:11px;flex-direction:column;gap:6px}.panel h2{font-size:15px}.player{font-size:12px}.avatar{width:22px;height:22px;margin-right:4px}.role-actions{flex-direction:column;margin-top:12px}.role-actions button{min-height:44px}.player small{font-size:10px}.eyebrow{margin-bottom:14px}.result-banner{padding:20px}.result-banner h2{font-size:20px}}
@media(max-width:380px){main{padding-left:12px;padding-right:12px}.topbar{padding:0 12px}.header-tools{gap:0}.board{gap:5px}.word-card{font-size:14px;min-height:76px}.clue-form{grid-template-columns:1fr 72px}.clue-form .primary{grid-column:1/-1}.score{padding:10px}.scoreboard{gap:6px}.score small{font-size:10px}.demo-grid{gap:5px}.demo-card{font-size:12px;min-height:45px}.briefing{padding:16px}.room-heading{flex-wrap:wrap}.side{gap:8px}.side .panel{padding:12px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* A dedicated paper trail beside the board, separate from the action log. */
.room-layout.with-clues{grid-template-columns:190px minmax(0,1fr) 220px;grid-template-areas:"clues table side";gap:20px;align-items:start}
.with-clues>.table-area{grid-area:table}.with-clues>.side{grid-area:side}
.clue-archive{grid-area:clues;min-width:0;padding:16px;position:sticky;top:20px;max-height:calc(100svh - 40px);overflow:auto}
.archive-heading .eyebrow{font-size:10px;margin-bottom:8px;letter-spacing:1.5px}.archive-heading h2{display:flex;justify-content:space-between;gap:8px;margin-bottom:8px}.archive-heading h2 small{color:var(--muted);font-weight:400;white-space:nowrap}
.archive-heading p{font-size:12px;color:var(--muted);margin-bottom:20px}.clue-team h3{font-size:13px;margin:16px 0 10px}.clue-team:first-child h3{margin-top:0}
.clue-list{list-style:none;margin:0;padding:0;max-height:290px;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin}
.clue-entry{border-top:1px solid var(--line);padding:12px 0;overflow-wrap:anywhere}.clue-entry.current{border-top:3px solid currentColor}.clue-entry.red.current{color:var(--red)}.clue-entry.blue.current{color:var(--blue)}
.clue-meta{display:flex;justify-content:space-between;flex-wrap:wrap;gap:4px;font-size:10px;color:var(--muted);margin-bottom:8px}.clue-meta span:last-child{font-weight:600}
.archive-word{display:flex;justify-content:space-between;align-items:center;gap:8px;color:var(--ink)}.archive-word strong{font-size:19px;line-height:1.4;min-width:0}.archive-word b{flex-shrink:0;display:grid;place-items:center;width:30px;height:30px;border:1px solid var(--line);border-radius:50%;font-size:16px;background:var(--bg)}
.clue-entry.invalid .archive-word strong{text-decoration:line-through;color:var(--muted)}.clue-hint{font-size:11px;color:var(--muted);margin:6px 0 0}.clue-picks{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;font-size:11px;color:var(--muted)}.replay-clue{font-size:11px;text-underline-offset:3px;min-height:44px;padding:8px 0 0;color:var(--muted)}
.clue-check{margin-top:14px;font-size:12px;line-height:1.65;color:var(--muted);padding:10px 12px;background:var(--bg);border-left:3px solid var(--line);border-radius:3px;min-height:40px}.clue-check strong,.clue-check span{display:block}.clue-check strong{color:var(--ink)}.clue-check.is-error{background:var(--red-pale);border-color:var(--red)}.clue-check.is-error strong,.clue-check.is-error span{color:var(--red)}.clue-check.is-warning{background:#f7e6bf;border-color:#89641b}.clue-check.is-warning span{color:#694910}input[aria-invalid="true"]{border-color:var(--red)}
#send-clue:disabled{background:#a6aca3;color:#fff;opacity:1;cursor:not-allowed}.share-note{font-size:13px;background:var(--bg);padding:12px;border-radius:4px;margin:16px 0}.share-fallback{margin:20px 0;min-height:100px}
.challenge-layout{display:grid;grid-template-columns:220px minmax(0,1fr);grid-template-areas:"clues table";gap:28px;max-width:1120px;margin:auto;align-items:start}.challenge-layout>.table-area{grid-area:table}.challenge-clue{margin:0 0 24px}.challenge-score{font-size:13px;white-space:nowrap;color:var(--muted)}.challenge-score strong{font-size:26px;color:var(--ink);margin:0 4px}.challenge-finish{margin-top:20px}.challenge-help{font-size:13px;color:var(--muted);margin:24px 0;line-height:1.8}.challenge-help summary{cursor:pointer;min-height:44px;display:flex;align-items:center}.challenge-help summary:before{content:'＋';margin-right:8px}.challenge-help[open] summary:before{content:'−'}.challenge-help p{margin-bottom:12px}.challenge-error{max-width:640px;margin:40px auto}.challenge-error .text-button{display:inline-block;margin-top:16px}
.primary,.secondary,.word-card{transition:transform .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease}.primary:active:not(:disabled),.secondary:active:not(:disabled){transform:translateY(1px) scale(.98)}.word-card.selected{transform:translateY(-3px);box-shadow:0 6px 0 #152c2b15}.word-card[aria-disabled="true"]{cursor:default}
.turn-bar{margin-bottom:22px}dialog[open]{animation:dialog-arrive .22s cubic-bezier(.2,.8,.2,1)}@keyframes dialog-arrive{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}
@media(max-width:1240px) and (min-width:768px){.room-layout.with-clues{grid-template-columns:minmax(0,1fr) 220px;grid-template-areas:"table clues" "table side"}.with-clues>.clue-archive{position:static;max-height:none;margin:0}.with-clues>.side{min-width:0}.clue-list{max-height:210px}}
@media(max-width:767px){.room-layout.with-clues,.challenge-layout{display:grid;grid-template-columns:minmax(0,1fr);grid-template-areas:"clues" "table" "side";gap:20px}.challenge-layout{grid-template-areas:"clues" "table"}.clue-archive{position:static;max-height:none;padding:14px;margin:0}.archive-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}.archive-heading .eyebrow,.archive-heading p{display:none}.archive-heading h2{margin-bottom:10px;width:100%}.clue-teams{display:grid;grid-template-columns:1fr 1fr;gap:16px}.clue-team h3{margin:0 0 8px}.clue-list{max-height:168px}.clue-entry{padding:10px 0}.archive-word strong{font-size:17px}.archive-word b{width:26px;height:26px;font-size:14px}.clue-meta{font-size:10px}.challenge-clue{margin-top:0}.challenge-score{font-size:11px}.challenge-score strong{font-size:22px}.challenge-layout .clue-display{align-items:flex-start}.clue-check{padding:10px}.room-heading .actions{max-width:100%}.with-clues .table-area .clue-form{grid-template-columns:1fr 78px}.with-clues .table-area .clue-form .primary{grid-column:1/-1}}
@media(max-width:380px){.clue-teams{gap:12px}.archive-word strong{font-size:16px}.challenge-score{white-space:normal}.challenge-layout .clue-word{font-size:21px}.challenge-layout .clue-word b{width:32px;height:32px;font-size:21px}.modal-actions{flex-wrap:wrap}}